The following is a list of olympiad geometry topics.
- 3D Geometry
- Brocard point
- Complex numbers
- Directed angles
- Geometric inequalities
- Isogonal conjugates
- Projective geometry
- Radical axis
- Trilinear Coordinates
- Geometry Revisited -- A classic.
- Geometry of Complex Numbers by Hans Schwerfdtfeger.
- Geometry: A Comprehensive Course by Dan Pedoe.
- Non-Euclidean Geometry by H.S.M. Coxeter.
- Projective Geometry by H.S.M. Coxeter.
See math books for additional texts.
- The Worldwide Online Olympiad Training (WOOT) Program -- Olympiad training in a variety of subject, including geometry.